CN207004554U - A kind of multistage allows pressure grouting anchor pole - Google Patents

A kind of multistage allows pressure grouting anchor pole Download PDF

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Publication number
CN207004554U
CN207004554U CN201720957579.XU CN201720957579U CN207004554U CN 207004554 U CN207004554 U CN 207004554U CN 201720957579 U CN201720957579 U CN 201720957579U CN 207004554 U CN207004554 U CN 207004554U
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CN
China
Prior art keywords
anchor
allow
branch sleeve
sleeve
rod
Prior art date
Application number
CN201720957579.XU
Other languages
Chinese (zh)
Inventor
杜新国
郭锁山
姜立强
李波
李德臣
杨文奇
马崇金
李龙
尹洪亚
张龙
王清标
徐淑
徐淑一
邵唐砂
孔庆礼
朱庆凯
张军杰
Original Assignee
中铁十四局集团第二工程有限公司
张军杰
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Application filed by 中铁十四局集团第二工程有限公司, 张军杰 filed Critical 中铁十四局集团第二工程有限公司
Priority to CN201720957579.XU priority Critical patent/CN207004554U/en
Application granted granted Critical
Publication of CN207004554U publication Critical patent/CN207004554U/en

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Abstract

The utility model patent, which is related to a kind of multistage, allows pressure grouting anchor pole, by anchor rod body, stop grouting plug, clamp nut, anchor rod pallet board, high score sub-sleeve, it is high-strength allow pressing spring, the first branch sleeve, the second branch sleeve, the 3rd branch sleeve, allow pressure support rod body, allow compressed steel body, injected hole, body of rod drill bit to form.The anchor rod body inner hollow, the anchor rod pallet board right-hand member set high score sub-sleeve, are sequentially provided with first, second and third branch sleeve on anchor rod body, the opposite side of the 3rd branch sleeve is provided with anchor bit.It is described it is high-strength allow pressing spring be used for connect the section branch sleeves and anchor bit of left and right two, allow and press support rod body and allow compressed steel body to be connected by way of be hinged, and fixation is hinged on branch sleeve by pushing up high score sub-sleeve, branch sleeve is moved, allow pressure support rod body that compressed steel body will be allowed to be supported on the wall of a borehole, make to allow compressed steel body to be in close contact with country rock.The coating epoxy polyester mixed type corrosion-inhibiting coating of setting, makes the anchor pole avoid being corroded and being broken.

Description

A kind of multistage allows pressure grouting anchor pole

Technical field

It the utility model is related to a kind of multistage and allow pressure grouting anchor pole, belong to Geotechnical Engineering anchoring field.

Background technology

In the surrounding rock supporting in Geotechnical Engineering field, suspension roof support already becomes a kind of preferable supporting tool.But with The continuous increase of difficulty of construction, the characteristics of roadway surrounding rock usually shows large deformation, crustal stress is high, when larger change occurs in country rock During shape, because deformation energy at initial stage is larger, the deformation energy of roadway surrounding rock exceeds the scope that anchor pole is born, and anchor pole will be caused to lose Effect, anchor pole can not just play substantial role, and tunnel, the safety in tunnel are by serious threat.Therefore, in surrounding rock supporting, need Wanting a kind of, there is the anchor pole for allowing pressure to act on to carry out supporting.Though currently used pressure-relieving achor bar serve it is certain allow pressure to act on, In the larger tunnel of deflection, allow pressure stroke is inadequate, and final anchor pole is still pulled off because surrouding rock deformation is excessive and loses branch Shield effect, how to increase pressure-relieving achor bar makes pressure energy power and solution anchored end anchor force insufficient, farthest plays to allow and presses anchor The effect of bar, this technical barrier are badly in need of solving.

China State Intellectual Property Office discloses an a kind of entitled " umbrella shaped support formula slip casting anchor on April 27th, 2016 Bar ", Application No. CN201521006211.2 utility application.The patent provides a kind of umbrella shaped support formula slip casting anchor Bar, it is made up of umbrella shaped support formula anchor bit, anchor bar body, high score sub-sleeve, stop grouting plug, backing plate, nut, stifled slurry plug, by adopting The oblique tetrahedron bloom with line tooth is supported with high score sub-sleeve, bloom body is in close contact with country rock, ensure that and work as Anchor Agent On the premise of failure, anchor pole still can provide the anchor force of end by the oblique tetrahedron bloom supported in umbrella formula, ensure Anchor pole works on, and the anchor pole reliability is high, and simple to operate, anchoring effect is strong.The umbrella shaped support formula grouted anchor bar is on the whole The anchoring property of anchor pole is added, good supporting effect has been played in engineering practice.The patent efficiently solves slip casting anchor Bar allows pressure anchor contact area deficiency of the initial stage of anchoring without first anchor-hold and grouted anchor bar and country rock the problems such as, but how to increase Bar makes pressure energy power aspect still unresolved.

The content of the invention

In order to overcome existing grouted anchor bar anchored end anchor force deficiency at present and allow the hypodynamic problem of pressure energy, this practicality is newly Type provides a kind of multistage and allows pressure grouting anchor pole, and anchor pole can be achieved and farthest contacted with country rock hole wall, raising grouted anchor bar Anchor force and allow pressure energy power.

To solve the above problems, the utility model adopts the following technical scheme that:

(1)Multistage allows pressure grouting anchor pole by anchor rod body, stop grouting plug, clamp nut, anchor rod pallet board, high score sub-sleeve, height It is strong allow pressing spring, the first branch sleeve, the second branch sleeve, the 3rd branch sleeve, allow pressure support rod body, allow compressed steel body, slip casting Hole, body of rod drill bit composition.

(2)The anchor rod body inner hollow, multiple injected holes, stop grouting plug, fastening are arranged with outer wall on anchor bar body Nut pallet and anchor rod pallet board are sequentially nested with the tail end in anchor bar body from the front to the back, and the anchor rod pallet board right-hand member sets high score sub-set Tin, it is sequentially provided with the first branch sleeve, the second branch sleeve, the 3rd branch sleeve, the 3rd branch sleeve on anchor rod body Opposite side be provided with anchor bit.It is described it is high-strength allow pressing spring be used for connect the section branch sleeves and anchor bit of left and right two.

(3)Described allow presses support rod body, allows compressed steel body to be arranged on branch sleeve.Allow and press support rod body and allow compressed steel body to lead to Cross be hinged mode to connect, and fixation is hinged on branch sleeve.

(4)In anchor rod body, high score sub-sleeve, branch sleeve and high-strength coating epoxy polyester mixed type on pressing spring is allowed to prevent Rotten coating.

The beneficial effects of the utility model are:A kind of multistage provided by the utility model allows pressure grouting anchor pole, can be to supporting Engineering plays good effect.By pushing up high score sub-sleeve, high score sub-sleeve successively power transmission to the first branch sleeve, the Two branch sleeves, the 3rd branch sleeve, branch sleeve are moved, by allowing pressure support rod body that compressed steel body will be allowed to be supported in drilling On wall, make to allow compressed steel body to be in close contact with country rock, ensure that on the premise of Anchor Agent fails, anchor pole still can be pressed by allowing Steel body provides the anchor force of end, and when surrouding rock deformation is excessive, high-strength in anchor pole allows pressing spring to buffer pressure caused by country rock again Power, effectively avoid anchor pole from being pulled off, ensure that anchor pole works on, by the coating epoxy polyester mixed type corrosion-inhibiting coating of setting, Make the anchor pole when complicated geological works, reduce because some corrosive substances contained inside geology make anchor pole by corruption Lose and be easily broken off, the anchor pole reliability is high, and simple to operate, anchoring effect is strong.

Brief description of the drawings

The utility model is further illustrated below in conjunction with the accompanying drawings:

Fig. 1 structural representations of the present utility model.

1. anchor rod body in figure, 2. stop grouting plugs, 3. clamp nuts, 4. anchor rod pallet boards, 5. high score sub-sleeves, 6. is high Strong to allow pressing spring, 7. first branch sleeves, 8. second branch sleeves, 9. the 3rd branch sleeves, 10. allow pressure support rod body, 11. allow compressed steel body, 12. injected holes, 13. body of rod drill bits.

Embodiment

In Fig. 1, a kind of multistage allows pressure grouting anchor pole, by anchor rod body(1), stop grouting plug(2), clamp nut(3), anchor pole Pallet(4), high score sub-sleeve(5), the high-strength pressing spring that allows(6), the first branch sleeve(7), the second branch sleeve(8), the 3rd connect Female connector cylinder(9), allow pressure support rod body(10), allow compressed steel body(11), injected hole(12), body of rod drill bit(13)Composition.The anchor pole The body of rod(1)Inner hollow, multiple injected holes are arranged with outer wall on anchor bar body(12), stop grouting plug(2), clamp nut(3)With Anchor rod pallet board(4)Sequentially it is nested with anchor rod body from the front to the back(1)Tail end, the anchor rod pallet board(4)Right-hand member sets macromolecule Sleeve(5), anchor rod body(1)On be sequentially provided with the first branch sleeve(7), the second branch sleeve(8), the 3rd branch sleeve(9), 3rd branch sleeve(9)Opposite side be provided with anchor bit(13).The high-strength pressing spring that allows(6)For connecting left and right Two section branch sleeves and body of rod drill bit(13).The pressure support rod body that allows(10), allow compressed steel body(11)It is arranged on branch sleeve. Allow and press support rod body(10)With allow compressed steel body(11)Connected by way of be hinged, and fixation is hinged on branch sleeve.Pass through Push up high score sub-sleeve(5), high score sub-sleeve(5)The first branch sleeve is given in power transmission successively(7), the second branch sleeve(8)、 3rd branch sleeve(9), branch sleeve is moved, by allowing pressure support rod body(10)It will allow compressed steel body(11)It is supported in drilling On wall, make to allow compressed steel body(11)It is in close contact with country rock, until anchor pole can not move up, stop grouting plug is installed(2)With anchor pole support Disk(4), use clamp nut(3)Tighten, connection slip casting machine uses stop grouting plug by starting slip casting, slip casting after terminating(2)Clog. It ensure that on the premise of Anchor Agent failure, anchor pole still can be by allowing compressed steel body to provide the anchor force of end, when country rock becomes Shape is excessive, the high-strength pressing spring that allows in anchor pole(6)Pressure caused by country rock has been buffered again, has effectively avoided anchor pole from being pulled off, and has been ensured Anchor pole works on.In anchor rod body(1), high score sub-sleeve(5), branch sleeve and the high-strength pressing spring that allows(6)Upper coating epoxy Polyester mixed type corrosion-inhibiting coating, by the coating epoxy polyester mixed type corrosion-inhibiting coating of setting, make the anchor pole in complicated geological work When work, reduce because some corrosive substances contained inside geology make anchor pole be corroded and be easily broken off.

Claims (2)

1. a kind of multistage allows pressure grouting anchor pole, by anchor rod body, stop grouting plug, clamp nut, anchor rod pallet board, high score sub-sleeve, height It is strong allow pressing spring, the first branch sleeve, the second branch sleeve, the 3rd branch sleeve, allow pressure support rod body, allow compressed steel body, slip casting Hole, body of rod drill bit composition, are characterised by:The anchor rod body inner hollow, multiple slip castings are arranged with outer wall on anchor bar body Hole, stop grouting plug, clamp nut pallet and anchor rod pallet board are sequentially nested with the tail end in anchor bar body from the front to the back, and the anchor rod pallet board is right End sets high score sub-sleeve, and the first branch sleeve, the second branch sleeve, the 3rd branch sleeve, institute are sequentially provided with anchor rod body The opposite side for stating the 3rd branch sleeve is provided with anchor bit, it is described it is high-strength allow pressing spring be used for connect the section branch sleeves of left and right two And anchor bit, described allow press support rod body, allow compressed steel body to be arranged on branch sleeve, allowing and press support rod body and allow compressed steel body to lead to Cross be hinged mode to connect, and fixation is hinged on branch sleeve.
2. pressure grouting anchor pole is allowed according to a kind of multistage described in claim 1, it is characterised in that:In anchor rod body, macromolecule Sleeve, branch sleeve and high-strength allow coat epoxy polyester mixed type corrosion-inhibiting coating on pressing spring.
CN201720957579.XU 2017-08-02 2017-08-02 A kind of multistage allows pressure grouting anchor pole CN207004554U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868846A (en) * 2018-06-29 2018-11-23 中铁二十三局集团第六工程有限公司 M grades of support anchor tubes
CN109236337A (en) * 2018-09-26 2019-01-18 中南大学 The arrow anchor pole and its application method of multisection type clamping slip casting anchoring
CN110424388A (en) * 2019-08-08 2019-11-08 重庆地质矿产研究院 A kind of quake-proof type modularization anchor
CN110565648A (en) * 2019-08-08 2019-12-13 江苏科技大学 anchor head expandable anchor rod and construction method thereof
WO2020007055A1 (en) * 2018-12-27 2020-01-09 山东科技大学 Combined tension and compression yielding and energy-absorbing grouting anchor bolt for large deformation in surrounding rock, and working method
CN110924389A (en) * 2019-12-10 2020-03-27 华北水利水电大学 Device and system for intelligently monitoring stability of extensible anchor rod and acoustic emission rock-soil body under control of multistage stress and displacement
CN110924388A (en) * 2019-12-10 2020-03-27 华北水利水电大学 Multistage stress and displacement control extensible anchor rod and stress displacement monitoring device
CN111022096A (en) * 2019-12-10 2020-04-17 华北水利水电大学 Multistage stress and displacement control extensible anchor rod
CN111648806A (en) * 2020-07-09 2020-09-11 中国科学院地质与地球物理研究所 Energy-absorbing anchor rod device with umbrella-shaped structure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868846A (en) * 2018-06-29 2018-11-23 中铁二十三局集团第六工程有限公司 M grades of support anchor tubes
CN109236337A (en) * 2018-09-26 2019-01-18 中南大学 The arrow anchor pole and its application method of multisection type clamping slip casting anchoring
CN109236337B (en) * 2018-09-26 2020-08-11 中南大学 Arrow anchor rod anchored by multi-section type clamping grouting and using method thereof
WO2020007055A1 (en) * 2018-12-27 2020-01-09 山东科技大学 Combined tension and compression yielding and energy-absorbing grouting anchor bolt for large deformation in surrounding rock, and working method
CN110565648A (en) * 2019-08-08 2019-12-13 江苏科技大学 anchor head expandable anchor rod and construction method thereof
CN110424388A (en) * 2019-08-08 2019-11-08 重庆地质矿产研究院 A kind of quake-proof type modularization anchor
CN110924389A (en) * 2019-12-10 2020-03-27 华北水利水电大学 Device and system for intelligently monitoring stability of extensible anchor rod and acoustic emission rock-soil body under control of multistage stress and displacement
CN110924388A (en) * 2019-12-10 2020-03-27 华北水利水电大学 Multistage stress and displacement control extensible anchor rod and stress displacement monitoring device
CN111022096A (en) * 2019-12-10 2020-04-17 华北水利水电大学 Multistage stress and displacement control extensible anchor rod
CN111648806A (en) * 2020-07-09 2020-09-11 中国科学院地质与地球物理研究所 Energy-absorbing anchor rod device with umbrella-shaped structure

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180213

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